As I mention in my book, N acetyl cysteine (NAC) is not found in food sources, but in the body, it converts into cysteine. NAC acts as a precursor to glutathione, a powerful Glutathione Getting the k'NAC'k of Parkinson's disease The Science of Parkinson's The Super Antioxidants: Glutathione And NAC OC Integrative Medicine N Acetylcysteine and Probenecid Adjuvant Therapy for Traumatic Brain Injury Neurotherapeutics Springer Nature Link What is NAC? How can it help me? NAC therapy in Denver Axon Integrative Health LLC N acetylcysteine (NAC) ameliorates ethanol induced oxidative stress, neuroinflammation, and cognitive dysfunction in APP PS1 mouse model Translational Psychiatry